{"id":78116,"date":"2018-03-09T23:23:46","date_gmt":"2018-03-09T23:23:46","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/control-del-error-en-magnitudes-de-interes-de-problemas-transitorios\/"},"modified":"2018-03-09T23:23:46","modified_gmt":"2018-03-09T23:23:46","slug":"control-del-error-en-magnitudes-de-interes-de-problemas-transitorios","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/control-del-error-en-magnitudes-de-interes-de-problemas-transitorios\/","title":{"rendered":"Control del error en magnitudes de interes de problemas transitorios."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Giovanni Ernesto Calderon Silva Calderon Silva <\/strong><\/h2>\n<p>En las aplicaciones pr\u00e1cticas, la resoluci\u00f3n num\u00e9rica de un problema transitorio requiere controlar la calidad de la soluci\u00f3n aproximada. Si bien hasta hace no mucho se utilizaba generalmente una medida energ\u00e9tica del error, en la actualidad se prefiere que la medida del error sea en base a cantidades de inter\u00e9s que determina el usuario. La representaci\u00f3n del error en estas cantidades de inter\u00e9s involucra las soluciones del problema original (primal) y de un problema adjunto (o dual) asociado, que se pueden combinar de diferentes maneras: es decir, la representaci\u00f3n no es \u00fanica.  en este trabajo se definen y analizan dos estimas para problemas parab\u00f3licos (a partir de una definici\u00f3n del error y el m\u00e9todo de elementos finitos discontinuos  galerkin en tiempo, cg(q)dg(r)). En la primera se utilizan las ideas introducidas por zienkiewicz y zhu (1987 y 1992) para postproceso de tensiones y por wiberg (1992) para desplazamientos, se aplican estrategias similares para trata tambi\u00e9n la parte temporal. La segunda utiliza estimadores de error de tipo residual. En los dos casos para tratar la parte temporal se aprovecha la superconvergencia del cg(q)dg(r).  adem\u00e1s se analiza en detalle el comportamiento de las t\u00e9cnicas de suavizado para la parte espacial (estacionario). Debido a que la representaci\u00f3n del error no es \u00fanica, se definen y analizan tres formas para su representaci\u00f3n con dos estrategias de postproceso para la estima del mismo. Se presentan estudios de convergencia y se discuten aspectos de implementaci\u00f3n y metodolog\u00eda y su uso en procesos de mallado adaptativo.  las estimas de error se utilizan en procesos de remallado adaptativo. En este trabajo se analiza tambi\u00e9n c\u00f3mo se han de utilizar los criterios de remallado en el proceso adaptativo orientado al control del error en cantidades de inter\u00e9s. Se estudia anal\u00edticamente la optimalidad de estos criterios. adem\u00e1s de sus versiones para distribuciones elementa<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Control del error en magnitudes de interes de problemas transitorios.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Control del error en magnitudes de interes de problemas transitorios. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Giovanni Ernesto Calderon Silva Calderon Silva <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/12\/2005<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Pedro D\u00edez Mej\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Huerta cerezuela <\/li>\n<li>Jes\u00fas Carrera ram\u00edrez (vocal)<\/li>\n<li>pierre Beckers (vocal)<\/li>\n<li> Rodenas garcia Juan  jose. (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Giovanni Ernesto Calderon Silva Calderon Silva En las aplicaciones pr\u00e1cticas, la resoluci\u00f3n num\u00e9rica de un problema transitorio [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[332,15596,2206],"tags":[30309,168019,15765,88236,28495,168020],"class_list":["post-78116","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-politecnica-de-catalunya","category-tecnologia-energetica","tag-antonio-huerta-cerezuela","tag-giovanni-ernesto-calderon-silva-calderon-silva","tag-jesus-carrera-ramirez","tag-pedro-diez-mejia","tag-pierre-beckers","tag-rodenas-garcia-juan-jose"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/78116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=78116"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/78116\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=78116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=78116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=78116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}